ResMed S9 H5i Heated Humidifier w/ Sealed Water Chamber Comfort & Cleaning this chamber will hold up

this chamber will hold up to 325 mL which is the maximum fill line

recording the information

but hey it's just a minor detail

The system can detect when your mask is leaking

Reviewers Tip: This product was specifically designed for the Transcend 365 and will not work with the Transcend 3 or with the previous Transcend P4 or P8 battery packs

ResMed S9 H5i Heated Humidifier w/ Sealed Water Chamber Comfort & Cleaning this chamber will hold upResMed S9 Climate Controlled Heated Humidifier for Superior Comfort Created to reduce potential nasal congestion and dry mouth, the ResMed S9 H5i Heated Humidifier is available as an attachable add on for the ResMed S9 CPAP device in order to provide bonus comfort and superior performance. Climate Control Using the ResMed ClimateLine technology, the S9 H5i Heated Humidifier has a unique climate control system that tracks airflow and the surrounding